<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avator_box">
        <img src="../assets/image/logo.png" />
      </div>
      <div>
        <el-form
          ref="loginFormRef"
          :model="loginForm"
          :rules="login_rule"
          class="login_form"
          label-width="0px"
        >
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user" />
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              prefix-icon="iconfont icon-lock_fill"
              type="password"
            />
          </el-form-item>
          <el-form-item class="btns">
            <el-button type="primary" @click="login">登录</el-button>
            <el-button type="info" @click="resetForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>+

<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456',
      },
      login_rule: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 12,
            message: '长度在 3 到 12 个字符',
            trigger: 'blur',
          },
        ],

        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 16, message: '长度在6到16个字符', trigger: 'blur' },
        ],
      },
    }
  },
  methods: {
    resetForm() {
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')

        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    },
  },
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: aquamarine;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: azure;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avator_box {
    height: 160px;
    width: 160px;
    padding: 10px;
    border: 1px solid #eee;
    border-radius: 50%;
    box-shadow: 0 0 10px #eee;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: azure;
    img {
      height: 100%;
      width: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .btns {
    display: flex;
    justify-content: flex-end;
  }
}
</style>
